بررسی تاثیر اکسید فلزات در هیدروژناسیون CO2 به متانول
DOI:
https://doi.org/10.5281/zenodo.17055238Keywords:
CO2, متانول, کاتالیست, اکسید فلزیAbstract
در این مقاله به بررسی تأثیر خواص و ترکیبات مختلف اکسیدهای فلزی در بهبود عملکرد کاتالیست‌های مورد استفاده برای تبدیل دی‌اکسید کربن به متانول پرداخته شده است. از آن‌جایی که CO2 ترکیبی ترمودینامیکی پایدار و واکنش‌ناپذیر است، به‌کارگیری کاتالیست‌های مؤثر برای فعال‌سازی آن ضروری است. مطالعات تجربی و نظری نشان داده‌اند که استفاده از اکسیدهای فلزی مانند ZnO، CeO2، ZrO2 و TiO2 به‌عنوان ارتقاءدهنده یا ساپورت در کنار کاتالیست‌های مس‌پایه (مانند Cu/ZnO/Al2O3) باعث افزایش پراکندگی مس، افزایش جایگاه‌های فعال، بهبود جذب CO2 و در نهایت ارتقاء بازده و انتخاب‌پذیری متانول می‌شود. همچنین، تأثیر ساختار نانو و ترکیب دقیق کاتالیست‌ها در افزایش عملکرد آنها مورد تأکید قرار گرفته است.
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